# Johann Hummler
**Wikidata**: [Q12833642](https://www.wikidata.org/wiki/Q12833642)  
**Source**: https://4ort.xyz/entity/johann-hummler


## References

1. [Source](https://books.google.com/books?id=TarEnQAACAAJ)
2. [Source](http://www.statistik.baden-wuerttemberg.de/LABI/PDB.asp?ID=231904)